Pledge of Allegiance

The pledge of Allegiance is relevant in that in 1954 the words "under God" were added. This is often referenced by apologists as evidence that America is a Christian Nation.

9th Circuit decision in Newdow v. Elk Ridge

To recite the pledge is not to describe the United States; instead it is to swear allegiance to the values for which the flag stands: unity, indivisibility, liberty, justice and -- since 1954 -- monotheism